Puzzle of this week - 2

[zprogrammer]

Put four coins on a table,in a row , all tails up like this

[center] T T T T [/center]

How many moves it needs to make all of them as Heads like

[center] H H H H [/center]

The conditions are

1.Turn any 2 coins and it is considered as 1 move
2.When you do the next move you need to ensure you turn 1 coin which was turned in the previous move
3.You always need to turn two coins over and over until you reach all heads and you satisfy condition 1 & 2 too

Good luck

[dick scherrer]

3?

[zprogrammer]

The correct answer is 3.Dick you were right...

Also please watch out for Puzzle of this week....

[Anuj Dhawan]

Share the logic, please.

[zprogrammer]

Here is a logic

Code: Select all

========================================================
=INITIAL       =    T    =    T    =    T    =    T    =
========================================================
=MOVE 1        =    T    =    H    =    T    =    H    =
========================================================
=MOVE 2        =    T    =    T    =    H    =    H    =
========================================================
=MOVE 3        =    H    =    H    =    H    =    H    =
========================================================

[zprogrammer]

I don't know how you all feel about this puzzle - But I took it from a third grade maths book

[dick scherrer]

I've enjoyed these kinds of puzzles for a Very long time

d

[zprogrammer]

I have more in store

Watchout every thursday :-)

Also pls check this weeks puzzle

[Anuj Dhawan]

I don't know how you all feel about this puzzle - But I took it from a third grade maths book

Oh no! I was already suffering with the title "Software Engineer" and now this ..

[zprogrammer]

Seriously there are puzzles I felt very competitive